Until he challenged Republican Sen. Ted Cruz last year, O'Rourke was little known outside his hometown of El Paso. But the Spanish-speaking 46-year-old former punk rocker became a sensation during a campaign that used grassroots organizing and social media savvy to mobilize young voters and minorities. He got within 3 percentage points of upsetting Cruz in the nation's largest red state — and shattered national fundraising records in the process — immediately fueling chatter that he could have higher ambitions.
Now O'Rourke must prove whether the energy he brought to the Texas campaign will resonate on a much larger stage. For all the buzz associated with his candidacy, the former three-term congressman hasn't demonstrated much skill in domestic or foreign policy. And, as a white man, he's entering a field that has been celebrated for its diverse roster of women and people and color.
O'Rourke joins a large and unsettled 2020 field in which his fundraising prowess, bipartisan optimism, southwestern Texas charm and anti-establishment attitude could quickly make him a political force. His lack of governing experience could hurt, but President Donald Trump's rise suggests that the U.S. electorate might welcome a charismatic outsider.
Editor's Note: Click here for the full story by Associated Press reporter Will Weissert and a new video released by the O'Rourke campaign.

Editor's Note: Click here to read the Vanity Fair cover story on Beto O'Rourke.